Home / 292,982.88-439,435.46-82,637.76

Finding the Fourth Proportional to 292,982.88, 439,435.46 and 82,637.76

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Solution

The fourth proportional to 292,982.88, 439,435.46 and 82,637.76 is: 123,945.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,982.88 : 439,435.46 = 82,637.76 : x
  2. Step 2: Convert to fraction form
    292,982.88/439,435.46 = 82,637.76/x
  3. Step 3: Cross multiply
    292,982.88x = 439,435.46 × 82,637.76
  4. Step 4: Simplify right side
    292,982.88x = 36,313,962,078.97
  5. Step 5: Solve for x
    x = 36,313,962,078.97/292,982.88
  6. Step 6: Final answer
    x = 123,945.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.